Consumers and investors are becoming more interested in where their money goes. Photograph: Graham Turner

In recent years many of us have become more conscious of how we spend our money. Sales of fair trade and green goods have increased, as has the amount of money flowing into ethical investments. At the last count, UK investors held £13.3bn in ethical personal finance products.

As interest grows, so does the range of products on offer. The latest trend in the market seems to be climate change funds, with several managers launching them in the past year.

But 20 years after the first ethical investment fund was launched, many investors are still unsure about what ethical investing means or if it is right for them. How does it fit with your other investments? Does it mean sacrificing returns?